Dna methylation of fkbp5 as predictor of overall survival in malignant pleural mesothelioma

Giovanni Cugliari, Chiara Catalano, Simonetta Guarrera, Alessandra Allione, Elisabetta Casalone, Alessia Russo, Federica Grosso, Daniela Ferrante, Clara Viberti, Anna Aspesi, Marika Sculco, Chiara Pirazzini, Roberta Libener, Dario Mirabelli, Corrado Magnani, Irma Dianzani, Giuseppe Matullo

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

Malignant pleural mesothelioma (MPM) is an aggressive tumor with median survival of 12 months and limited effective treatments. The scope of this study was to study the relationship between blood DNA methylation (DNAm) and overall survival (OS) aiming at a noninvasive prognostic test. We investigated a cohort of 159 incident asbestos exposed MPM cases enrolled in an Italian area with high incidence of mesothelioma. Considering 12 months as a cut-off for OS, epigenome-wide association study (EWAS) revealed statistically significant (p value = 7.7 × 10−9 ) OS-related differential methylation of a single-CpG (cg03546163), located in the 5 UTR region of the FKBP5 gene. This is an independent marker of prognosis in MPM patients with a better performance than traditional inflammation-based scores such as lymphocyte-to-monocyte ratio (LMR). Cases with DNAm < 0.45 at the cg03546163 had significantly poor survival compared with those showing DNAm ≥ 0.45 (mean: 243 versus 534 days; p value< 0.001). Epigenetic changes at the FKBP5 gene were robustly associated with OS in MPM cases. Our results showed that blood DNA methylation levels could be promising and dynamic prognostic biomarkers in MPM.

Lingua originaleInglese
Numero di articolo3470
pagine (da-a)1-14
Numero di pagine14
RivistaCancers
Volume12
Numero di pubblicazione11
DOI
Stato di pubblicazionePubblicato - nov 2020

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